package com.japp.tools.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class JFilter implements Filter{

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest)arg0;
		HttpServletResponse response = (HttpServletResponse)arg1;
		request.setCharacterEncoding("utf-8");
		HttpSession session = request.getSession();
		String url = request.getRequestURI();
		String code = (String)session.getAttribute("u_code");
		if(code==null&&!url.endsWith("forword.jsp")&&!url.endsWith("index.jsp")&&!url.endsWith("login.action")&&!url.endsWith("/")){
			response.sendRedirect(request.getContextPath()+"/forword.jsp");
			return;
		}
		chain.doFilter(request, response);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		
	}

}
